**The first city on the Lightning Turnpike.** <p align="center"> <img src="docs/diagrams/thebrain-mcp-hero.svg" alt="Claude connects to PersonalBrain through thebrain-mcp, powered by Lightning micropayments" width="800"> </p> An MCP server that gives AI agents read-write access to a personal knowledge graph — and pays for itself with Bitcoin Lightning micropayments.